N=mytest                                                                        
SRC=$(shell ls *.c)                                  
OBJ=$(SRC:.c=.o)                   
CC=gcc            
RM=rm -f                                      
                                      
$(BIN):$(OBJ)            
    $(CC) $(OBJ) -o $(BIN)                                                                                                                                                                    
.PHONY:clean           
clean:
    $(RM) $(OBJ) $(BIN)             
